Home / 10,663.13-15,994.69-2,871.94

Finding the Fourth Proportional to 10,663.13, 15,994.69 and 2,871.94

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Solution

The fourth proportional to 10,663.13, 15,994.69 and 2,871.94 is: 4,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.13 : 15,994.69 = 2,871.94 : x
  2. Step 2: Convert to fraction form
    10,663.13/15,994.69 = 2,871.94/x
  3. Step 3: Cross multiply
    10,663.13x = 15,994.69 × 2,871.94
  4. Step 4: Simplify right side
    10,663.13x = 45,935,742.83
  5. Step 5: Solve for x
    x = 45,935,742.83/10,663.13
  6. Step 6: Final answer
    x = 4,307.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.